uv
An extremely fast Python package and project manager, written in Rust.
- Also known as
- uv
What is uv?
A comprehensive Python package and project manager that replaces pip, pip-tools, pipx, poetry, pyenv, twine, virtualenv, and more. It is 10-100x faster than pip and provides universal lockfile support.
What uv does
The capabilities that matter for package registries, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Role
- Package manager client
- Ecosystem / language
- Python
- Deployment
- CLI-local
- Package formats supported
- Single ecosystem
- Private / scoped packages
- ✓
- Upstream proxy / caching
- ✗
- Lockfile / deterministic installs
- ✓
- Workspaces / monorepo
- ✓
- Content-addressable store
- -
- Supply-chain integrity
- -
- Vulnerability / licence scanning
- -
- Openness
- Open-source
- Pricing model
- Free / OSS
Platform & deployment
Independently observed- CLI
- macOS
- Linux
- Windows
Integrations (10)
Independently observed- Docker
- GitHub Actions
- GitLab CI/CD
- AWS Lambda
- Azure Artifacts
- AWS CodeArtifact
- JFrog Artifactory
- PyTorch
- FastAPI
- Jupyter
uv alternatives
Other package registries we track, ranked by the same independent score.
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for uv, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package Downloads | 100 | 22.00 | 2193.0 | ✓ |
| Github Activity | 63 | 16.00 | 1009.6 | ✓ |
| Release Cadence | 98 | 10.00 | 983.3 | ✓ |
| Capabilities | 58 | 14.00 | 809.4 | ✓ |
| Github Stars | 93 | 4.00 | 373.2 | ✓ |
| Integrations | 36 | 8.00 | 288.8 | ✓ |
| Security Posture | 0 | 26.00 | 0.0 | - |
| Stackoverflow Activity | 0 | 8.00 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-08-03 · 65% |
Adoption
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | {"role":"manager_client","ecosystem":"python","deployment":"cli_local","workspaces":true,"open_source":"oss","pricing_model":"free","upstream_proxy":false,"package_formats":"single","private_packages":true,"lockfile_deterministic":true} | mediumsource · 2026-08-03 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 17 | mediumsource · 2026-08-03 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Rust | mediumsource · 2026-08-03 · 63% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-08-03 · 95% |
Release
| Attribute | Value | Evidence |
|---|---|---|
| Cadence days | 3 | mediumsource · 2026-08-03 · 70% |